//
//  AppDelegate.swift
//  Weibo24
//
//  Created by apple on 17/3/26.
//  Copyright © 2017年 itheima. All rights reserved.
//

import UIKit
import SVProgressHUD

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        
        //  全局设置tabbar和导航栏颜色,越早设置越好,扩展
//        UITabBar.appearance().tintColor = UIColor.orange
//        UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName: UIColor.brown]
        //  最小消失时长是1秒
        SVProgressHUD.setMinimumDismissTimeInterval(1)
        
        
        //  注册切换根视图控制器的通知
        NotificationCenter.default.addObserver(self, selector: #selector(switchRootVC(noti:)), name: NSNotification.Name(SwitchRootVCNotification), object: nil)
        
        //  创建window
        window = UIWindow(frame: UIScreen.main.bounds)
        //  设置window背景色
//        window?.backgroundColor = UIColor.white
        //  创建根视图控制器
        let rootVC = HMMainViewController()
        //  设置window的根视图的控制器
        window?.rootViewController = rootVC
        //  设置window成主窗口并显示
        window?.makeKeyAndVisible()
        
        
        return true
    }
    
    //  MARK: ---   监听切换根视图控制的通知方法
    @objc private func switchRootVC(noti: Notification) {
        print("切换根视图控制器")
        let obj = noti.object
        if obj is HMOAuthViewController {
            //  切换到欢迎页面
            window?.rootViewController = HMWelcomeViewController()
        } else {
            //  进入首页
            window?.rootViewController = HMMainViewController()
        }
        
    }
    
    //  为了代码匹配,在析构函数里面移除通知
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    

    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        //   删除缓存数据
        HMStatusDAL.clearCacheData()
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

